Struct scylla::Metrics

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pub struct Metrics { /* private fields */ }

Implementations

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impl Metrics

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pub fn new() -> Self

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pub fn get_latency_avg_ms(&self) -> Result<u64, MetricsError<'_>>

Returns average latency in milliseconds

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pub fn get_latency_percentile_ms(
&self,
percentile: f64
) -> Result<u64, MetricsError<'_>>

Returns latency from histogram for a given percentile

Arguments

percentile - float value (0.0 - 100.0)

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pub fn get_errors_num(&self) -> u64

Returns counter for errors occurred in nonpaged queries

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pub fn get_queries_num(&self) -> u64

Returns counter for nonpaged queries

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pub fn get_errors_iter_num(&self) -> u64

Returns counter for errors occurred in paged queries

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pub fn get_queries_iter_num(&self) -> u64

Returns counter for pages requested in paged queries

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pub fn get_retries_num(&self) -> u64

Returns counter measuring how many times a retry policy has decided to retry a query

Trait Implementations

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impl Debug for Metrics

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for Metrics

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fn default() -> Metrics

Returns the “default value” for a type. Read more

Auto Trait Implementations

impl RefUnwindSafe for Metrics

impl Send for Metrics

impl Sync for Metrics

impl Unpin for Metrics

impl UnwindSafe for Metrics

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct scylla::Metrics

Implementations

impl Metrics

pub fn new() -> Self

pub fn get_latency_avg_ms(&self) -> Result<u64, MetricsError<'_>>

pub fn get_latency_percentile_ms( &self, percentile: f64) -> Result<u64, MetricsError<'_>>

Arguments

pub fn get_errors_num(&self) -> u64

pub fn get_queries_num(&self) -> u64

pub fn get_errors_iter_num(&self) -> u64

pub fn get_queries_iter_num(&self) -> u64

pub fn get_retries_num(&self) -> u64

Trait Implementations

impl Debug for Metrics

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for Metrics

fn default() -> Metrics

Auto Trait Implementations

impl RefUnwindSafe for Metrics

impl Send for Metrics

impl Sync for Metrics

impl Unpin for Metrics

impl UnwindSafe for Metrics

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

pub fn get_latency_percentile_ms(
&self,
percentile: f64
) -> Result<u64, MetricsError<'_>>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,